Witten, D. M. (1977). Clinical urography (4 ed.). Saunders Company.
芝加哥风格引文Witten, David M. Clinical Urography. 4 ed. Estados Unidos: Saunders Company, 1977.
MLA引文Witten, David M. Clinical Urography. 4 ed. Saunders Company, 1977.
警告：这些引文格式不一定是100％准确.